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SURFACE BOX For BV,AV & MANHOLES

Name Surface box หีบกุญแจประตูน้ำ กปน.   Surface box ฝาปิดบ่อ
Model SBV MH-M , MH-P , MEA , PEA
Type Surface Box For Underground Surface Box For Underground Gate valve Slide Gate
Size Nominal (DN) 600 , 800 , 1000 , 1200 , 1400 600 , 800 , 1000 600 , 800
Customer PWA , RID MWA, PWA , Other PWA , Other
Appearance MS1 MS3 MS2
Size of Cover (Surface Box& Manholes) Surface Box (Under Ground) Size of Cover (Manholes) Manhole Size of Cover (Manholes) Manhole (thin) For PWA
ÆA e (min) H ÆA H e ÆA H e
Apply to Apply to
Æ600 730 25 BV 400 to 600 700 AV 50 to 80 700 Æ600 770 250 30 200 278 50 20
Æ800 930 25 BV 700 to 900 700 AV 100 to 150 900 Æ800 970 250 30 400 - - -
Æ1000 1130 25 BV 1000 To 1500 800 - - Æ1000 1170 250 30 600 643 50 22
Æ1200 1330 25 BV 1800 To 2000 800 - - - 800 840 50 24
Æ1400 1530 25 BV 2500 To 3000 925 - - -

Remarks                 
*(H) conform to Specifications Drawing *** All dimensions are in millimeters                                                                        

Material

Model Part accessories
Frame Cover Sealing
All type Cast iron-FC 20 Cast iron - FC20 Rubber “NBR” Hardness  range IRHD  70 ±5
Ductile iron- FCD 45 Ductile iron- FCD 45

 

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